Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2019   18:33:28   (  -0.18,-128.42) (  -0.91,-125.03)  386.33                80
 08/28/2019   06:52:13   (   0.21,-128.37) (  -0.16,-130.23)  210.26                80
 08/30/2019   06:42:42   (   0.21,-128.35) (   0.46,-127.27)  123.64                80
 08/30/2019   19:01:18   (  -0.24,-128.39) (   0.61,-132.43)  459.40                80
 09/01/2019   06:30:31   (   0.21,-128.33) (   1.09,-124.31)  457.31                80
 09/01/2019   18:49:07   (  -0.23,-128.36) (  -0.01,-129.47)  125.65                80
 09/03/2019   18:39:36   (  -0.23,-128.34) (  -0.64,-126.51)  207.78                80
 09/04/2019   06:58:20   (   0.26,-128.29) (  -0.49,-131.70)  388.12                80
 09/06/2019   06:46:09   (   0.25,-128.26) (   0.14,-128.74)   55.23                80
 09/08/2019   06:36:38   (   0.24,-128.22) (   0.77,-125.78)  277.15                80
 09/08/2019   18:55:14   (  -0.26,-128.24) (   0.31,-130.94)  307.00                80